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Diffstat (limited to 'emacs.d/nxhtml/util/css-simple-completion.el')
| -rw-r--r-- | emacs.d/nxhtml/util/css-simple-completion.el | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/emacs.d/nxhtml/util/css-simple-completion.el b/emacs.d/nxhtml/util/css-simple-completion.el deleted file mode 100644 index 95bf27b..0000000 --- a/emacs.d/nxhtml/util/css-simple-completion.el +++ /dev/null @@ -1,238 +0,0 @@ -;;; css-simple-completion.el --- Partly context aware css completion -;; -;; Author: Lennart Borgman (lennart O borgman A gmail O com) -;; Created: 2009-11-22 Sun -;; Version: -;; Last-Updated: 2009-11-22 Sun -;; URL: -;; Keywords: -;; Compatibility: -;; -;; Features that might be required by this library: -;; -;; None -;; -;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -;; -;;; Commentary: -;; -;; Simple partly context aware completion. Context is based on -;; guessing mainly. -;; -;; This can be combined with with flymake-css.el that can check the -;; syntax. -;; -;; -;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -;; -;;; Change log: -;; -;; -;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -;; -;; This program is free software; you can redistribute it and/or -;; modify it under the terms of the GNU General Public License as -;; published by the Free Software Foundation; either version 3, or -;; (at your option) any later version. -;; -;; This program is distributed in the hope that it will be useful, -;; but WITHOUT ANY WARRANTY; without even the implied warranty of -;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -;; General Public License for more details. -;; -;; You should have received a copy of the GNU General Public License -;; along with this program; see the file COPYING. If not, write to -;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth -;; Floor, Boston, MA 02110-1301, USA. -;; -;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -;; -;;; Code: - -;; Fix-me: bad structure, does not fit completion frameworks -(defun css-simple-completing-w-pred (regexp matnum prompt collection) - (let (pre start len) - (when (looking-back regexp (line-beginning-position) t) - (setq pre (downcase (match-string matnum))) - (setq len (length pre)) - (setq start (match-beginning matnum)) - (unless (try-completion pre collection) - (throw 'result nil)) - (throw 'result (list start - (completing-read prompt - collection - (lambda (alt) - (and (>= (length alt) len) - (string= pre - (substring alt 0 len)))) - t - pre)))))) - -(defun css-simple-complete () - "Try to complete at current point. -This tries to complete keywords, but no CSS values. - -This is of course a pity since the value syntax is a bit -complicated. However you can at least check the syntax with -flymake-css if you want to." - (interactive) - (let ((context (css-simple-guess-context)) - result - cur - pre - start) - (setq result - (catch 'result - - (case context - - ( 'css-media-ids - (css-simple-completing-w-pred "\\<[a-z0-9-]*" 0 "Media type: " css-media-ids)) - - ( 'css-at-ids - (css-simple-completing-w-pred "@\\([a-z0-9-]*\\)" 1 "At rule: @" css-at-ids)) - - ( 'css-property-ids - (css-simple-completing-w-pred "\\<[a-z-]*" 0 "CSS property name: " css-property-ids)) - - ( 'css-simple-selectors - - ;; Fix-me: Break out the first two - (when (looking-back "\\W#\\([a-z0-9-]*\\)") - (setq cur (match-string 1)) - (setq start (match-beginning 1)) - (throw 'result (list (point) - (read-string (concat "Html tag Id: " cur))))) - (when (looking-back "\\W\\.\\([a-z0-9-]*\\)") - (setq cur (match-string 1)) - (setq start (match-beginning 1)) - (throw 'result (list (point) - (read-string (concat "CSS class name: " cur))))) - - (css-simple-completing-w-pred "[a-z0-9]:\\([a-z0-9-]*\\)" 1 "Pseudo id: " css-pseudo-ids) - - (css-simple-completing-w-pred "[a-z0-9-]+" 0 "HTML tag: " (cddr css-simple-selectors)) - - (when (looking-back "\\<\\(?:#\\|\\.\\)") - (setq pre nil) - (while t - (setq pre (completing-read "HTML tag, id or CSS class: " css-simple-selectors nil nil pre)) - (if (string= (substring pre 0 1) "#") - (if (or (= 1 (length pre)) - (and (> (length pre) 2) - (string= (substring pre 0 3) "# ("))) - (throw 'result (list (point) (concat "#" (read-string "Html tag id: #")))) - (throw 'result (list (point) pre))) - (if (string= (substring pre 0 1) ".") - (if (or (= 1 (length pre)) - (and (> (length pre) 2) - (string= (substring pre 0 3) ". ("))) - (throw 'result (list (point) (concat "." (read-string "CSS class name: .")))) - (throw 'result (list (point) pre))) - (when (member pre css-simple-selectors) - (throw 'result (list (point) pre))))) - )))))) - (message "result=%S" result) - (if result - (let ((str (cadr result)) - (len (- (point) (car result)))) - (insert (substring str len))) - (message "No matching alternatives")))) - -(defun css-simple-guess-context () - "Try to find a context matching none constant. -Return the symbol corresponding to the context or nil if none -could be found. - -The symbols are the names of the defconst holding the possibly -matching ids. - -* Note: This function assumes that comments are fontified before - point." - ;; Kind of hand-written backward parser ... ;-) - (let ((ignore-case t) ;; fix-me - (here (point)) - (after-colon (and (not (bobp)) (eq (char-before) ?:))) - ret) - (prog1 - (catch 'return - ;; No completion in comments. - (when (eq (get-text-property (point) 'face) - 'font-lock-comment-face) - (throw 'return nil)) - - ;; If we are not on whitespace then don't complete - (css-simple-skip-backwards-to-code) - (unless (or (eobp) - (= (char-syntax (char-after)) ?\ ) - (< (point) here)) - (throw 'return nil)) - - ;; Skip backwards to see if after first selector - (let ((here2 (1+ (point)))) - (while (/= here2 (point)) - (setq here2 (point)) - (css-simple-skip-backwards-to-code) - (when (and (not (bobp)) - (eq (char-before) ?,)) - (backward-char)) - (skip-chars-backward "#.:a-z0-9-"))) - ;; Selector - (when (or (bobp) - (eq (char-before) ?})) - (throw 'return 'css-simple-selectors)) - - ;; Property names - (when (memq (char-before) '( ?{ ?\; )) - (throw 'return 'css-property-ids)) - - ;; If we are in the value we can't complete there yet. - (when (eq (char-before) ?:) - (throw 'return nil)) - - - ;; @ - (goto-char here) - (skip-chars-backward "a-z0-9-") - (when (eq (char-before) ?@) - (throw 'return 'css-at-ids)) - - ;; @media ids - (when (looking-back "@media\\W+") - (throw 'return 'css-media-ids)) - - ) - (goto-char here)))) -;;; Fix-me: complete these ... -;;css-descriptor-ids ;; Removed or? - -(defun css-simple-skip-backwards-to-code () - "Skip backwards until we reach code. -Requires that comments are fontified." - (let ((here (1+ (point)))) - (while (/= here (point)) - (setq here (point)) - (skip-syntax-backward " ") - (unless (bobp) - (when (memq (get-text-property (1- (point)) 'face) - '(font-lock-comment-face font-lock-comment-delimiter-face)) - (goto-char (or (previous-single-property-change (1- (point)) 'face) - (point-min)))))))) - -(defconst css-simple-selectors - '(". (for class)" - "# (for id)" - ;; HTML 4.01 tags - "a" "abbr" "acronym" "address" "applet" "area" "b" "base" "basefont" "bdo" "big" - "blockquote" "body" "br" "button" "caption" "center" "cite" "code" "col" - "colgroup" "dd" "del" "dfn" "dir" "div" "dl" "dt" "em" "fieldset" "font" "form" - "frame" "frameset" "head" "h1" "h2" "h3" "h4" "h5" "h6" "hr" "html" "i" "iframe" "img" - "input" "ins" "kbd" "label" "legend" "li" "link" "map" "menu" "meta" "noframes" - "noscript" "object" "ol" "optgroup" "option" "p" "param" "pre" "q" "s" "samp" - "script" "select" "small" "span" "strike" "strong" "style" "sub" "sup" "table" - "tbody" "td" "textarea" "tfoot" "th" "thead" "title" "tr" "tt" "u" "ul" "var" - )) - -(provide 'css-simple-completion) -;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -;;; css-simple-completion.el ends here |